CN103415736A - Led spotlight having reflector - Google Patents

Led spotlight having reflector Download PDF

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Publication number
CN103415736A
CN103415736A CN2011800496586A CN201180049658A CN103415736A CN 103415736 A CN103415736 A CN 103415736A CN 2011800496586 A CN2011800496586 A CN 2011800496586A CN 201180049658 A CN201180049658 A CN 201180049658A CN 103415736 A CN103415736 A CN 103415736A
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CN
China
Prior art keywords
light
led
reflector
hybrid chamber
shot
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Pending
Application number
CN2011800496586A
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Chinese (zh)
Inventor
C·德基斯
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Tridonic Jennersdorf GmbH
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Tridonic Jennersdorf GmbH
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Publication of CN103415736A publication Critical patent/CN103415736A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F21Y2113/17—Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements

Abstract

The invention relates to a LED spotlight, preferably for white light. The LED spotlight comprises an LED module (5) having several LED chips (7, 7') on a carrier (6), a cooling body (3) that is in thermal contact with the LED module (5), a reflector (2) that laterally surrounds the LED chips (7, 7'), and a light mixing chamber (40) arranged within the reflector (3) and laterally surrounding the LED chips (7, 7'), the light mixing chamber base surface (50) and the reflector bottom (60) being located on the same plane.

Description

LED shot-light with reflector
According to prior art known LED shot-light, in particular for realizing the LED shot-light of white-light illuminating.Wherein the LED shot-light generally can be understood as LED light source, and it has one or more homochromy and heterochromatic LED, and the light of one or more LED is realized desired distribution by reflector.
When a plurality of LED with different emission spectrum are used as light source, there will be special problem.That is to say, the mixed light of different LED is before penetrating shot-light, and light must fully be mixed, thereby makes the light penetrated in its all angular range, can reach enough color uniformities as far as possible.
If the spectrum of at least one LED in LED light source is by the color conversion layer that has spacing and/or contact with this LED with this LED covered on this LED, partly with other light (being generally low frequency), convert light (also can be described as the light that the 3rd light source presents) that color conversion layer presents to, this light must mix equably with the light that LED sends, and now the problem of color homogeneity becomes even more important.
WO 02/5047472 discloses a kind of shot-light with LED light source and reflector.Wherein LED light source is arranged in the bottom of reflector and fills the latter half of the inner space of reflector.
Therefore the purpose of this invention is to provide a kind of LED shot-light, this LED shot-light can realize that better light mixes, thereby improves color homogeneity.
This task is resolved by the feature in claim independently.Dependent claims has further built theme of the present invention in particularly advantageous mode.
First aspect of the present invention relates to a kind of LED shot-light that is preferably used for white light, and this LED shot-light comprises:
LED module, described LED module have a plurality of LED chips that are arranged on pedestal;
Radiator, described radiator and described LED module thermo-contact;
Reflector, the described LED chip of described reflector flanked; And
Light hybrid chamber, described smooth hybrid chamber are arranged on inside and the described LED chip of flanked of described reflector,
The bottom surface of wherein said smooth hybrid chamber and the bottom of described reflector are in the same plane.
The described bottom of described reflector can have central opening, and by described central opening, described LED chip extend into described smooth hybrid chamber from the described pedestal of the below, described bottom that is arranged in described reflector of described LED module.
From the described bottom of described reflector, can extend preferably and count all-in-one-piece tubular bead with this bottom, and described this bead is surrounded described smooth hybrid chamber.
Described smooth hybrid chamber and described reflector can be placed on the described pedestal of described LED module.
Described smooth hybrid chamber and described reflector can be designed to separately or all-in-one-piece.
Described LED chip can be coated with color conversion layer.
Described LED chip can be coated with ball top or other cover layer applied by distribution method.
Described LED chip can be for single homochromy or heterochromatic.
Described LED chip comprises:
At least one blue-ray LED or ultraviolet (UV) LED, the light of this LED is partly converted to the light with other wavelength by color conversion layer, described color conversion layer is arranged in the top of LED and preferably with all LED, directly contacts, and wherein, mixed light is preferably located in white spectrum; And
At least another LED, the light of this another LED is not changed by color conversion layer basically.
The medial surface of described reflector and/or described smooth hybrid chamber can have parabolic shape or linearity configuration, or wherein at least a portion is designed to the shape of faceted pebble.
The side towards described LED chip of the medial surface of described reflector and described smooth hybrid chamber (one of them/both) can be designed to can reflect and/or scattering.For example they can pass through the metallizing coating, or arrange reflecting layer (white), or arrange that faceted pebble etc. realizes.
The described bottom of described reflector and/or the described bottom surface of described smooth hybrid chamber can be designed to circle, ellipse or square.
Described smooth hybrid chamber and/or described reflector can utilize diffusion sheet to hide or be open state.
Described smooth hybrid chamber and/or described reflector can utilize the color conversion sheet to cover.
Described LED shot-light can be designed to be arranged on the ceiling shot-light hung on ceiling.
Described LED shot-light can be designed to through the LED reflector light fixture of transformation and for it is equipped with commercial general lamp holder to such as E27, E14 lamp holder etc.
Described radiator can have be used to taking in the central groove of described LED module.
Preferably, described radiator can be with the form of fin at least in part in the mode of face contact along the outside with described reflector.
Another aspect of the present invention relates to a kind of LED shot-light that is preferably used for white light, and described LED shot-light comprises:
LED module, described LED module have a plurality of LED chips that are arranged on pedestal;
Radiator, described radiator and described LED module thermo-contact;
Reflector, the described LED chip of described reflector flanked; And
Light hybrid chamber, described smooth hybrid chamber are arranged on inside and the described LED chip of flanked of described reflector,
Wherein from the described bottom of described reflector, extend preferably the tubular bead be integrally formed with this bottom, described tubular bead is surrounded described smooth hybrid chamber directly or indirectly.
Of the present inventionly relate in one aspect to a kind of LED shot-light that is preferably used for white light, described LED shot-light has again:
LED module, described LED module have a plurality of LED chips that are arranged on pedestal;
Radiator, described radiator and described LED module thermo-contact;
Reflector, the described LED chip of described reflector flanked; And
Light hybrid chamber, described smooth hybrid chamber are arranged on inside and the described LED chip of flanked of described reflector,
The bottom of wherein said smooth hybrid chamber wall and described reflector (directly) is placed on the described pedestal of described LED module.
The present invention finally also relates to a kind of method be used to the color homogeneity that improves the white light LEDs shot-light, and the method comprises the steps:
Will be from the light of a plurality of LED and from the light of color-converting material, carry out premixed in the hybrid chamber of delimiting and partly not being filled by the reflecting wall side direction alternatively;
Light is incorporated into from described hybrid chamber in the inner space of reflector, and described reflector sends light at its port of export.
Referring now to accompanying drawing, more specifically set forth further feature of the present invention, advantage and characteristic.
Fig. 1 illustrates the cross-sectional view according to LED shot-light of the present invention.
Fig. 2 illustrates radiator and the reflector of this LED shot-light.
Fig. 3 illustrates the details of radiator.
Fig. 4 illustrates the exploded view of reflector, hybrid chamber wall, LED module and radiator, and
Fig. 5 illustrates the reflector with the LED passed from bottom, be coated with Distribution Layer.
Fig. 1 illustrates the cross-sectional view according to LED shot-light of the present invention.LED light source preferably consists of a plurality of LED 7,7 ', and wherein LED 7,7 ' is arranged on pedestal 50, thereby forms LED module 6.
LED module 6 and radiator 3 thermo-contacts.In the example shown, LED module 6, pedestal 5 more precisely, are arranged in cross section and are in the middle section of fan-shaped radiator 3, or preferably be arranged in the central groove of bottom of radiator.
In the example shown, be provided with and one or all LED7,7 ' directly contact and the transmission layer 8 arranged with a kind of distribution ratio method, this transmission layer includes color-converting material and/or scattering particles.
Wherein, in the scope of present description and claim, color-converting material can be understood to one or more color conversion materials.This color conversion material can be for example any mixing of green, yellow, yellow/green, redness or two or more homochromy and/or heterochromatic color conversion material.
As shown in the figure, LED module 6 is to arrange like this, and it passes central opening and extend into the bottom 60 of reflector 2 from outside, that is, LED 6, at least a portion of 7 ', preferably LED 7,7 ' whole side extend in reflector 2.Light hybrid chamber 40 surrounds LED 7,7 '.
The light hybrid chamber preferably has the hybrid chamber wall 40 for reflection, in the example shown, described hybrid chamber wall is as example annular parts independently and be arranged in the inside of the tubular bead 4 of reflector 2, and wherein this tubular bead 4 is integrally formed with the bottom 60 of reflector in the example shown.Alternatively, hybrid chamber wall 40 can be designed to be able to scattering and/or can scattering-reflection.
Hybrid chamber wall 40 and reflector 2 are arranged on the pedestal 6 of LED module 5.Embodiment shown in the bottom surface of hybrid chamber and the bottom of reflector basis is in the same plane, that is, be located along the same line in side view.
Alternatively, can be by light hybrid chamber mobile (not shown) backward.In this case, that is, the bottom of the bottom surface of hybrid chamber and reflector is moved backward.LED also can all be arranged in the rear on the plane that the bottom by reflector forms.For example, be positioned on the plane of bottom that hybrid chamber outlet side that light penetrates direction can be disposed in reflector, or extend into a little in the inner space of reflector.
Between hybrid chamber wall 40 and Distribution Layer 8, can have lateral spacing, or the two contacts with each other.
The part of hybrid chamber, namely LED 7,7 ' is not filled, and between in other words conj.or perhaps optional Distribution Layer 8 and pelvic outlet plane, contains an air layer (margin by the hybrid chamber wall is fixed).
Preferably, the inboard (being 40 in example) that is used for delimiting light hybrid chamber wall can be designed as and can reflect and/or scattering.At mixed light, arrive actual reflector inner space (inner surface 70 by reflector 2 is delimited) before, the light that LED 7,7 ' is sent if possible with Distribution Layer 8 in the light of color-converting material in the light hybrid chamber, carry out premixed.
As shown in Figure 1, can at LED 7,7 ' light, penetrate on direction and delimit the light hybrid chamber by photic zone 90, wherein, the light hybrid chamber comprises transition material particle and/or new particle.
This photic zone 90 is examples, color-converting material can be arranged in to light and penetrate on direction, and have spacing with LED7,7 '.Between this color-converting material and LED 7,7 ', have one and be not filled, namely only contain the blending space of air.
Distribution Layer 8 is an example just, and in this example, color-converting material and/or scattering material are designed to directly contact with at least one or all LED 7,7 '.
Alternatively or additionally, also can at light, penetrate on direction reflector 2 is all sealed by photic zone 100, wherein photic zone 100 comprises transition material and/or scattering material equally.
As shown in the cross-sectional view of Fig. 1, the radiator 3 that is preferably cup-shaped can be arranged along the outline along with reflector 2.The edge of reflector 2 terminates in lug area 101, and this lug area covers the top of radiator 3.As shown in Figure 1, LED 7,7 ' supply of electric power can realize by the electric contact 9,10 that passes radiator.
In Fig. 2, show respectively radiator 3 and reflector 2.
As shown in the figure, LED module 5 is held in place in the square groove of centre of radiator 3.
The sidewall of cup-shaped radiator 3 has fin 20, and these fin are spaced from each other by the space 30 of slit-shaped.At least in lower area (on the direction of the bottom surface of namely sealing), fin 20 can interconnect by the wall of inside radial layout.At upper area, fin is finger-shaped to be arranged, and that is to say that the outer wall of reflector is partly outwards arranged in side view.
If visible equally in Fig. 2, the lug area 101 of reflector has groove 22, preferably, this groove is arranged with the space 30 of the slit-shaped of radiator with aiming at, make when reflector being placed in cup-shaped radiator 3, can not hinder the air circulation exemplarily promoted by convection current in the slit-shaped space 30 of radiator 3.
Fig. 3 is the detailed view of cup-shaped radiator 3.
From the exploded view of Fig. 4, finding out, hybrid chamber 40 is exemplarily packed in the tubular bead 4 of reflector 2 and can be placed on the pedestal 6 of LED module 5 as member independently.
As Fig. 4 as shown in clearly, also reflector can be placed on the pedestal 6 of LED module 5 and surround LED 6,7.

Claims (21)

1. LED shot-light that is preferably used for white light, described LED shot-light comprises:
LED module (5), described LED module have a plurality of LED chips (7,7 ') that are arranged on pedestal (6);
Radiator (3), described radiator and described LED module (5) thermo-contact;
Reflector (2), the described LED chip of described reflector flanked (7,7 '); And
Light hybrid chamber (40), described smooth hybrid chamber is arranged on inside and the described LED chip (7 of flanked of described reflector (3), 7 '), the bottom (60) of the bottom surface of wherein said smooth hybrid chamber (50) and described reflector is in the same plane.
2. LED shot-light according to claim 1,
Wherein, the described bottom (60) of described reflector has central opening, by described central opening, described LED chip (7,7 ') extend into described smooth hybrid chamber (4) from the described pedestal (6) of the below, described bottom (60) that is arranged in described reflector of described LED module (5).
3. LED shot-light according to claim 1 and 2,
Wherein, from the described bottom (60) of described reflector, extend preferably and this bottom design all-in-one-piece tubular bead (4), and described tubular bead (4) is surrounded described smooth hybrid chamber (40).
4. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described smooth hybrid chamber (40) and described reflector (2) are placed on the described pedestal (6) of described LED module (5).
5. LED shot-light according to claim 1 and 2,
It is characterized in that described smooth hybrid chamber (40) and described reflector (2) are designed to separate or all-in-one-piece.
6. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED chip (7,7 ') is coated with color conversion layer (8).
7. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED chip (7,7 ') is coated with ball top (8) or other cover layer for example applied by distribution method.
8. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED chip (7,7 ') is single homochromy or heterochromatic.
9. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED chip (7,7 ') comprising:
At least one blue-ray LED or ultraviolet ray (UV) LED, the light of this LED is partly converted to the light with other wavelength by color conversion layer, described color conversion layer is arranged in LED (7,7 ') top and preferably with all LED, directly contact, wherein, mixed light is preferably located in white spectrum; And
At least another LED, the light of this another LED is not changed by color conversion layer basically.
10. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, medial surface (70) and/or the described smooth hybrid chamber (40) of described reflector (2) have parabolic shape or linearity configuration, or wherein at least a portion is designed to the shape of faceted pebble.
11. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, the medial surface (70) of described reflector (2) and described smooth hybrid chamber (40) towards the described LED chip side of (7,7 ') (80), be designed to reflect and/or scattering.
12. according to the described LED shot-light of any one in aforementioned claim,
It is characterized in that, the described bottom (60) of described reflector and/or the described bottom surface (50) of described hybrid chamber (40) form circle, ellipse or square.
13. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described smooth hybrid chamber (40) and/or described reflector (2) utilize diffusion sheet (90,100) to hide or are open state.
14. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described smooth hybrid chamber (40) and/or described reflector (2) utilize the color conversion sheet to cover.
15. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED shot-light is designed to be arranged on the ceiling shot-light hung on ceiling.
16. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described LED shot-light is designed to through the LED reflector light fixture of transformation and for it is equipped with commercial general lamp holder, such as E27, E14 lamp holder etc.
17. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described radiator (3) has be used to taking in the central groove of described LED module.
18. according to the described LED shot-light of any one in aforementioned claim, it is characterized in that, described radiator preferably with the form of fin at least in part with the mode of the face contact lateral surface along described reflector.
19. a LED shot-light that is preferably used for white light,
Described LED shot-light comprises:
LED module (5), described LED module have a plurality of LED chips (7,7 ') that are arranged on pedestal (6);
Radiator (3), described radiator and described LED module (5) thermo-contact;
Reflector (2), the described LED chip of described reflector flanked (7,7 '); And
Light hybrid chamber (40), described smooth hybrid chamber is arranged on inside and the described LED chip (7 of flanked of described reflector (3), 7 '), wherein from the bottom (60) of described reflector, extend preferably and this bottom design all-in-one-piece tubular bead (4), described tubular bead is surrounded described smooth hybrid chamber (40) directly or indirectly.
20. a LED shot-light that is preferably used for white light,
Described LED shot-light comprises,
LED module (5), described LED module have a plurality of LED chips (7,7 ') that are arranged on pedestal (6);
Radiator (3), described radiator and described LED module (5) thermo-contact;
Reflector (2), the described LED chip of described reflector flanked (7,7 '); And
Light hybrid chamber (40), described smooth hybrid chamber is arranged on inside and the described LED chip (7 of flanked of described reflector (3), 7 '), the bottom (60) of wherein said smooth hybrid chamber wall (40) and described reflector directly is placed on the described pedestal (6) of described LED module (5).
21. the method be used to the color homogeneity that improves the white light LEDs shot-light, the method comprises the following steps:
Will be from the light of a plurality of LED and from the light of color-converting material, carry out premixed in the hybrid chamber of delimiting and partly not being filled from side direction by reflecting wall alternatively;
Light is incorporated into from described hybrid chamber in the inner space of reflector, and described reflector sends light at its port of export.
CN2011800496586A 2010-10-15 2011-10-11 Led spotlight having reflector Pending CN103415736A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102010042516.8 2010-10-15
DE102010042516 2010-10-15
DE102010061972.8 2010-11-25
DE102010061972A DE102010061972A1 (en) 2010-10-15 2010-11-25 LED spotlight with reflector
PCT/EP2011/067673 WO2012049137A2 (en) 2010-10-15 2011-10-11 Led spotlight having a reflector

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US9388962B2 (en) 2016-07-12
EP2627942A2 (en) 2013-08-21
DE102010061972A1 (en) 2012-04-19
WO2012049137A3 (en) 2012-08-30
WO2012049137A2 (en) 2012-04-19

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